摘要：demo 阅读全文

摘要：1.再配置文件（application.properties）中添加编码字符集 阅读全文

摘要：//Java中如果：参数个数不固定，可以用下面方式写。如果[show(String msg,int...nums)]有多少参数，它需要放在最后。 public static void showNum(int...nums){ for(int i : nums){ System.out.println(i); } } public static void main(String[] args) { showNum(1); showNum(1,2); showNum(1,2,3);... 阅读全文

摘要：1.先下载 gson.jar.http://code.google.com/p/google-gson/downloads/list2.解压后，把gson-2.2.2.jar 复制到 java项目的libs文件夹内Json数据：[{"name":"A","age":12},{"name":"B","age":14}] JsonReader reader = new JsonReader(new StringReader(jsonData)); try { reader.beg 阅读全文

摘要：JAVA String s = "RegionID";String s1 = "gionID"; String s2 = s.substring(2); // "gionID"s1 == "gionID"; //trues1 == s2; //false s2 == "gionID"; //false s1 == "gionID"; //true//字符内容比较最好用：equals方法。C# 字符串比较string s = "RegionID";strin 阅读全文

摘要：URL url = new URL(urlString);SAXParserFactory factory = SAXParserFactory.newInstance();SAXParser parser = factory.newSAXParser();XMLReader xmlReader = parser.getXMLReader();//RssHandler:XML 节点读取方式实现RssHandler rssHandler = new RssHandler(); xmlReader.setContentHandler(rssHandler);InputSource inputSou 阅读全文